# college algebra

posted by .

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula:

N = 2,500 + 400 ln a (a ¡Ý 1)
How many units are sold after spending \$1,000? (Round your answer to the nearest whole number.)

• college algebra -

you have the formula. Plug in 1000 for a and evaluate.

• college algebra -

Graph f(x)= 1/2 ^(x+3) -2

• college algebra -

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula:
N = 6,500 + 200 ln a (a ¡Ý 1)
How many units are sold after spending \$1,000? (Round your answer to the nearest whole number.)

• college algebra -

N = 2,500+200 In a
N = 25,00+200*In 1000
N = 2,500+1381.6
N= 3881.6

## Similar Questions

1. ### math

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount 'a' spent on advertising (in dollars) by the following formula: N= 1,500 + 400 ln a ( a ¡Ý 1 ) How many units are sold …
2. ### Algebra

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 6,500 + 400 ln a (a ≥ 1) How many units are sold …
3. ### Algebra

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 1,500 + 200 ln a (a ¡Ý 1)How many units are sold after …
4. ### math

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 1,500 + 300 ln a (a ≥ 1) How many units are sold …
5. ### algebra

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 4,500 + 200 ln a (a ¡Ý 1)How many units are sold after …
6. ### algebra

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 3,500 + 200 ln a (a ≥ 1) How many units are sold …
7. ### math

Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with the price P of each doll. The company sold 5200 dolls when \$26,000 was spent on advertising and the price …
8. ### algebra

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount, a, spent on advertising (in dollars) by the following formula:
9. ### Math

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 1,600 + 300 ln a (a ≥ 1). How much needs to be spent …
10. ### Algebra 2

Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with the price P of each doll. The company sold 1,800 dolls when \$34,000.00 was spent on advertising, and the …

More Similar Questions